#![no_std]
#![no_main]

use defmt::*;
use embassy_executor::Spawner;
use embassy_stm32::{peripherals, gpio::{Level, Output, Speed}};
use embassy_time::Timer;
use {defmt_rtt as _, panic_probe as _};

async fn task1(mut pin: peripherals::PB7) -> peripherals::PB7 {
    let mut led = Output::new(&mut pin, Level::High, Speed::Low);
    led.set_high();
    Timer::after_millis(100).await;
    led.set_low();
    Timer::after_millis(100).await;
    drop(led);
    pin
}

async fn task2(mut pin: peripherals::PB7) -> peripherals::PB7 {
    let mut led = Output::new(&mut pin, Level::High, Speed::Low);
    led.set_high();
    Timer::after_millis(300).await;
    led.set_low();
    Timer::after_millis(300).await;
    drop(led);
    pin
}

#[embassy_executor::main]
async fn main(_spawner: Spawner) {
    let p = embassy_stm32::init(Default::default());
    let mut pb7 = p.PB7;
    info!("Hello World!");
    loop {
        if true {
            pb7 = task1(pb7).await;
        } else {
            pb7 = task2(pb7).await;
        }
    }
}